7. Diagnostic testing may include amniocentesis and chorionic villus sampling
8. CVS can be carried out earlier in pregnancy then amniocentesis
CVS carries a higher risk of miscarriage than amniocentesis.
9. Cells from samples from CVS and amniocentesis can be cultured to obtain sufficient cells to produce
10. A karyotype shows an individual's chromosomes arranged in homologous pairs.
11. A karyotype can be used to detect a range of conditions including chromosomal abnormalities.